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Year : 2020  |  Volume : 52  |  Issue : 3  |  Page : 101-103

Novel orthotic design for lateral band attenuation of finger proximal interphalangeal joint

Occupational Therapist, Certified Hand Therapist (OTR, CHT), Hands-On-Care, San Jose, California, USA

Correspondence Address:
Saba Kamal
499 Blossom Hill Road, San Jose, CA 95123
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijoth.ijoth_30_20

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Patients with lateral band attenuation present with a snapping finger which may be misdiagnosed for a trigger finger. Lateral bands work as a flexor after 30° flexion of the proximal interphalangeal (PIP) joint, assisting with flexion of the PIP joint. It assists central slip and works as an extensor from 30° onward, extending the PIP and distal interphalangeal joints. Loss of coordination between the multiple, specialized components of the extensor mechanism results in tendon imbalances, leading to altered interphalangeal joint flexion and extension forces. This case report is to introduce the fabrication of an orthotic to tackle finger injury for quick and effective conservative treatment. The indications and functions of the orthosis are discussed. The fabrication process is illustrated, including materials needed and steps of molding the splint. Wearing regimen and precautions are highlighted to ensure effective patient compliance to the orthosis program for finger injury. Objective data collected include pre- and post-pain level and outcome measures indicative of improved functional performance.

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